在具有区域架构的车载网络中分析E2E延迟和布线束
Chulsun Park1, Chengyu Cui1, Sungkwon Park1
1Department of Electronic and Computer Engineering, Hanyang University, Seoul 04763, Republic of Korea.
Sensors (Basel, Switzerland)
|May 25, 2024
概括
在基于区域的车载网络 (IVN) 中增加区域数量可以减少布线束的长度和重量,但可以增加端到端 (E2E) 延迟. 这种基于区域的IVN架构 (ZIA) 可以有效地管理车辆网络的复杂性.
科学领域:
- 汽车工程 汽车工程
- 网络架构 网络架构
- 电气系统 电气系统
背景情况:
- 由于技术进步,现代汽车具有越来越复杂的车载网络 (IVN) 和电线带.
- 汽车行业正在采用基于区域的IVN架构 (ZIA) 来通过地理分组电子控制单元 (ECU) 来管理这种复杂性.
研究的目的:
- 评估ZIA中变化的区域数量对端到端 (E2E) 延迟的影响.
- 分析区域数量如何影响车辆电线束的特性,特别是总长度和重量.
主要方法:
- 使用OMNeT++网络模拟器对E2E延迟进行了评估.
- 采用了一个非对称的方法,理论上预测和分析电线带的长度和重量在ZIA的2,4,6,8和10区的演变.
主要成果:
- 在ZIA内的区域数量的增加导致E2E延迟的增加.
- 相反,增加区域数量会导致电线束的总长度和重量减少.
结论:
- ZIA在优化布线带使用和减轻车载网络复杂性方面表现出有效性.
- 该研究提供了对区域架构中网络延迟和物理带特征之间的权衡的定量见解.
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